body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: auto;
    padding: 40px 0;
}

header {
    background: #111;
    color: #fff;
    text-align: center;
    padding: 80px 20px;
}

header .btn {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 20px;
    background: #e63946;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
}

section {
    background: #fff;
    margin-bottom: 10px;
}

h1, h2, h3 {
    margin-bottom: 20px;
}

ul {
    list-style: none;
    padding: 0;
}

ul li {
    padding: 10px 0;
    border-bottom: 1px solid #ddd;
}

footer {
    background: #111;
    color: #fff;
    text-align: center;
    padding: 20px;
}